Home / 15,779.93-23,674-5,919.39

Finding the Fourth Proportional to 15,779.93, 23,674 and 5,919.39

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Solution

The fourth proportional to 15,779.93, 23,674 and 5,919.39 is: 8,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.93 : 23,674 = 5,919.39 : x
  2. Step 2: Convert to fraction form
    15,779.93/23,674 = 5,919.39/x
  3. Step 3: Cross multiply
    15,779.93x = 23,674 × 5,919.39
  4. Step 4: Simplify right side
    15,779.93x = 140,135,638.86
  5. Step 5: Solve for x
    x = 140,135,638.86/15,779.93
  6. Step 6: Final answer
    x = 8,880.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.